Case tracker · AI benefit & claim denials
Kisting-Leung v. Cigna Corporation
- AI system / company
- Cigna "PxDx" automated claims-review algorithm
- Jurisdiction
- United States (California)
- Court / regulator
- U.S. District Court, E.D. Cal.
- Status
- Ongoing
What happened
Following a ProPublica investigation, plaintiffs filed a class action alleging Cigna's PxDx algorithm enabled mass denial of claims, with reviewing doctors allegedly spending an average of about 1.2 seconds per case, contrary to California law requiring thorough, fair review. In March 2025 the court allowed the class action over the AI-based algorithm to proceed.
About ai benefit & claim denials cases
Algorithmic tools used by insurers or health plans to deny medically necessary care or benefits at scale, overriding clinician judgment.
Sources
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